   (ensure-connected!)
   (let [group-id (to-synth-id group)
         node-id (to-synth-id node)]
-  (snd "/g_tail" group-id node-id)))
+    (snd "/g_tail" group-id node-id)))
 
 (defn- group-clear*
   "Free all child synth nodes in a group."

      (node-map-controls    [this names-busses]
        "Connect a node's controls to a control bus.")
      (node-map-n-controls  [this start-control start-bus n]
        "Connect N controls of a node to a set of sequential control busses,
    starting at the given control name."))

    (defprotocol IKillable
      (kill* [this] "Kill a synth element (node, or group, or ...)."))

      {:type     :group
       :id       id
       :name     (get-in @active-synth-nodes* [id :group] "Unknown Group")
       :children (doall (map (fn [i] (parse-node-tree-helper ctls?))
                             (range n-children)))})))

(defn- parse-node-tree
  [data]
